/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package com.antgroup.geaflow.dsl.runtime.plan.converters;

import com.antgroup.geaflow.dsl.runtime.plan.PhysicConvention;
import com.antgroup.geaflow.dsl.runtime.plan.PhysicSortRelNode;
import org.apache.calcite.plan.Convention;
import org.apache.calcite.plan.RelOptRuleCall;
import org.apache.calcite.rel.RelNode;
import org.apache.calcite.rel.convert.ConverterRule;
import org.apache.calcite.rel.logical.LogicalSort;

public class ConvertTableSortRule extends ConverterRule {

    public static final ConverterRule INSTANCE = new ConvertTableSortRule();

    private ConvertTableSortRule() {
        super(LogicalSort.class, Convention.NONE, PhysicConvention.INSTANCE,
            ConvertTableSortRule.class.getSimpleName());
    }

    @Override
    public boolean matches(RelOptRuleCall call) {
        return super.matches(call);
    }

    @Override
    public RelNode convert(RelNode rel) {
        LogicalSort sort = (LogicalSort) rel;
        RelNode input = sort.getInput();

        return new PhysicSortRelNode(sort.getCluster(),
            sort.getTraitSet().replace(PhysicConvention.INSTANCE),
            convert(input, input.getTraitSet().replace(PhysicConvention.INSTANCE)),
            sort.getCollation(), sort.offset, sort.fetch);
    }
}
